Beria

基本解释

贝里亚·拉夫连季·帕夫洛维奇((1899-1953)在斯大林暴政期间的前苏联秘密警察局局长(1938-1953年)。在斯大林死后的权力斗争中,贝里亚被判有阴谋罪并被处死)

Yes, but try explaining that to Beria.
没错，不过你得跟贝利亚解释。
Cooperation was based on a written agreement—complete with the signature of Lavrenty Beria, head of the notorious NKVD—which is shown in the film.
两者之间的合作基于一份书面协定。在这份协定上，有臭名昭著的苏联秘密警察头子（NKVD，苏联内务人民委员会）贝利亚完整的签名，片中有过展示。
One is a 'top secret' letter dated March 1940 from the head of the Soviet secret police, the feared Lavrenty Beria, recommending the execution of Polish prisoners of war.
苏联秘密警察首脑令人恐怖的贝利亚于1940年3月签署一封'高级机密'信件，建议处决波兰战俘。

From 1939, when Stalin's chief of the secret police, Lavrenti Beria, was put in charge of the Gulag empire, the zeki were given adequate food and medical care when possible, not out of humanity, but because healthy workers were more productive than sick ones.
ECONOMIST: Soviet Russia
The peasants, who had a shrewder idea of how Mother Russia functioned, thought it more likely that this evidence of progress, if that was the correct name for it, was somehow related to the purchase, several months earlier, of the late and little lamented Lavrenti Pavlovich Beria's sprawling wooden dacha by a man identified only as the Oligarkh.
NPR: Excerpt: 'Legends'